Valerian Root
SleepTraditional sedative herb that interacts with GABA receptors. Effects build over 2–4 weeks; less acute than melatonin.
sleepGABAanxietyherbal
Typical dose
300–600 mg extract
Evidence
Limited (small studies)
Onset time
Cumulative: 2–4 weeks
Half-life
—
Forms
Capsule, Liquid, Powder
Source
plant
Best taken with
30–60 min before bed
Best time of day
evening
Bioavailability
3/5
Safety rating
4/5
Price per serving
$0.20
Vegan / GF / 3rd-party
✓ / ✓ / ✓
Common uses
- • Sleep
- • Anxiety
- • Restlessness
Effect profile
Strength
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Common side effects
- • Strong odor
- • Morning grogginess
- • Headache
Avoid if
- • Liver disease
- • Surgery (2 weeks before)
Drug interactions
- • Sedatives
- • Anesthetics
- • Alcohol
Related sleep supplements
Medical disclaimer
SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements.